the right
> preload.
>
> Asides, perhaps now we see why people are prepaired to pay the premium and
> let SKF worry about the right gap for the preload.
>
> cheers, have fun
>
> j.
>
> On Thu, Nov 3, 2011 at 8:27 PM, Andy Ibbotson
> wrote:
>
>> B
Be careful here, the bearings purchased are BE CB P. The CB denotes an
axial CLEARANCE class of bearing i.e.
http://www.skf.com/skf/productcatalogue/jsp/viewers/tableViewer.jsp?tableName=1_3_t1&maincatalogue=1&lang=en
If you want preload then you new universally matched pairs (+ lots more $)
: "Andy Ibbotson"
Sent: Sunday, October 16, 2011 7:32 PM
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] OT EMC on control signal
> Wow! thanks for all your help! BF30 build thread is here
>
> Gene,
> Shop lights are in metal cases and worst light do
otted photo-interrupters that might be picking up the light
> flicker?
> It's unlikely, but no harm in ruling it out.
>
> Regards
> Roland
>
>
> On 16 October 2011 14:21, Andy Ibbotson wrote:
>
>> Hi
>> I have my BF30 up and running EMC2 but I'm having
I have a line filter somewhere, I'll give it a try.
Regards
Andy
--
From: "gene heskett"
Sent: Sunday, October 16, 2011 4:26 PM
To:
Subject: Re: [Emc-users] OT EMC on control signal
> On Sunday, October 16, 2011 11:13:08 AM Andy
h and by the way is your earthing system good and continuous?
>
> cheers
>
> j.
>
>
> On Sun, Oct 16, 2011 at 2:21 PM, Andy Ibbotson
> wrote:
>
>> Hi
>> I have my BF30 up and running EMC2 but I'm having problems with EMC
>> noise.
>> When
Hi
I have my BF30 up and running EMC2 but I'm having problems with EMC noise.
When I switch on the shop fluorescent lights they cause the motors to "jump"
anyone got any advice re. shielding. All signal cable screens are grounded to
the 7i43 (PC) ground. Link to Control box from PC is by a 1m
Hi,
Does anyone know of a UK source of encoders suitable for measuring spindle rpm
and direction?
--
Forrester Wave Report - Recovery time is now measured in hours and minutes
not days. Key insights are discussed in the 20
thanks Peter
--
From: "Peter C. Wallace"
Sent: Sunday, February 13, 2011 2:35 PM
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] MESA 7i43 setup
> On Sun, 13 Feb 2011, Andy Ibbotson wrote:
>
>>
Ok this driving me nuts!!
I have 7i43 and I have opto isolated drives for my steppers. I want to connect
5V to +ve side of the opto led and connect the 7i43 to the -ve side. In one
state i.e. "NO step" the 7i43 output sits at 5V in the other state "Step" the
7i43 sinks the LED current and the
Well chosen words, Merry Xmas and a Happy New Year to all.
--
From: "Igor Chudov"
Sent: Thursday, December 23, 2010 5:22 PM
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] Merry Christmas
> EMC2 has been a wonderful journey of my
Agreed, try just swapping over the firmware and see if that fixes the
problem. I suspect it will be something simple like this, are you sure the
parallel port is setup ok?
--
From: "andy pugh"
Sent: Wednesday, December 22, 2010 10:41 AM
To: "Enha
Yep pinouts are pin for pin. I used 26 way IDC connectors and 26way cable
to make my own interconnect - works fine.
--
From: "Viesturs Lacis"
Sent: Tuesday, December 21, 2010 2:47 PM
To: "Enhanced Machine Controller (EMC)"
Subject: [Emc-users] D5
As a follow up on the discussions of the Intel D510 motherboard, I have now
received my 7i43 board and successfully connected it to the motherboard. I ran
pcisetup.exe from PICO systems to set EPP mode, (if I don't do this then EMC
exists with an error relating to EPP mode - as expected). EMC
AMD based motherboard.
At present I'm waiting for my 7i43 card to arrive and so I am interested to
see what happens with the parallel port issue. It seems that is can be
forced to EPP mode however, Ubuntu should detect the available modes - a
bug
The 7i43 really fits my needs in terms of I/O, cost and from what I've
learnt over last few days, performance. I am a LINUX novice so I not sure
how difficult the EPP issue is to fix, if its a case of running a .exe to
force EPP mode then OK. If its a case of rebuilding EMC by myself then I'm
Ok, so if I have this right:
Servo thread periods of 1000us - 2000us are fine for 3/4 axis mill cutting
steel / aluminium with rapids of say 120ipm. Benefit of hardware stepgens
is improved resolution of accelerating / decelerating pulse trains - makes
better use of stepper motors are high rpm.
Thanks Andy and Jon, I'm beginning to understand.
Regards
Andy
--
From: "Jon Elson"
Sent: Saturday, October 23, 2010 7:14 PM
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] 7i43 or 5i20
> Andy Pugh wrote:
>> Possibly. I have read
-users] 7i43 or 5i20
> On 22 October 2010 06:41, Andy Ibbotson wrote:
>
>> I am planning to move to MESA cards to drive my mill. AT present I'm
>> trying to decide between the 7i43 (parallel) or the 5i20 (PCI). Platform
>> will be Intel D510MO motherboard coupled
;
Sent: Friday, October 22, 2010 9:38 AM
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] 7i43 or 5i20
> On 22 October 2010 06:41, Andy Ibbotson wrote:
>
>> I am planning to move to MESA cards to drive my mill. AT present I'm
>> trying to dec
Hi,
I am planning to move to MESA cards to drive my mill. AT present I'm trying to
decide between the 7i43 (parallel) or the 5i20 (PCI). Platform will be Intel
D510MO motherboard coupled with a 32Gb solid state disk.
Regards
Andy
-
Hi Everyone,
Here is some info:
Following on from a thread a few weeks ago re. ITX boards, I've just bought one
of the above motherboards. It is very small and quiet (no fan), I've
connected it to my Kingston SSD 30Gb solid state drive and all looks good. Its
going to make a very small PC sys
Many thanks for all your help and comments, I think I'll try booting from a
USB stick.
Regards
--
From: "Igor Chudov"
Sent: Friday, August 27, 2010 3:48 PM
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] Mini ITX systems
> My old
Hello Everyone,
I have a question re. systems built around mini ITX motherboards. What I have
in mind is to build a system using the Intel D510MO motherboard (good choice
re. latency?), picoPSU, solid state SATA disk. I want to minimise the size of
the computer so no CD / DVD drives, my questi
Ok, I'm still trying to setup my scaling in PDM mode. I have a base period
of 3ns and need to configure pwmgen to gove a 2kHz outout for a
commanded spindle speed of 4000rpm - equation to 10V output from my DAC.
Assuming no offsets is there a method for calcuating pwmgen.N.scale ? or is
i
Chris,
Custom drive selected in stepconf. Drives are from Motion Control Products
in UK, minimum pulse width 2.5us, direction hold/set time of 5us minimum.
Regards
Andy
- Original Message -
From: "Chris Morley"
To: "EMC"
Sent: Wednesday, June 10, 2009 1:45 AM
Subject: Re: [Emc-users] E
Anyone?
- Original Message -
From: "Andy Ibbotson"
To:
Sent: Sunday, June 07, 2009 11:03 AM
Subject: [Emc-users] EMC2.3 and Stepgen tuning
> Hi Everyone,
> I've just moved over to EMC2.3.1 after using 2.1.x for sometime - great
> piece of code, never had any
Hi Everyone,
I've just moved over to EMC2.3.1 after using 2.1.x for sometime - great piece
of code, never had any problems with running my mill. I have a few questions
regarding stepgen tuning under EMC2.3.1, I also changed my CNC PC to an AMD3400
based system, heres what I did-
1.Ran the laten
ECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jon Elson
Sent: 18 September 2007 17:56
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Touch Off
Andy Ibbotson wrote:
> Jon,
> Machined was homed first. It does seem that using end and backspace
> clears the problem.
I think it re
Jon,
Machined was homed first. It does seem that using end and backspace
clears the problem.
Thanks everyone.
Regards
Andy
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jon Elson
Sent: 18 September 2007 05:59
To: Enhanced Machine Controller (EMC)
Subjec
Another evening, another question,
I've just been using the Touch Off button with V2.1.7 and come up with a
problem:
Launch EMC
Jog axes around etc.
Click Touch Off for say X axis and attempt to enter 0.125" when I type
the first 0 (zero) an error appears in the popup window saying "bad
number fo
L bits and vars to cause the kind of motion one wanted
but IMO you'd have to work at it to get those variable values changed on
the fly.
Rayh
On Mon, 2007-09-10 at 18:09 +0100, Andy Ibbotson wrote:
> Ray/ Jon,
> Thanks for your comments.
>
> I should try and clear up a few thin
Ian,
Each unit has its own MAC address. Devolo supply a little utility that
lists all the plug units it can find on the mains network. All you do
then is group the corresponding MAC addresses of your units (its pretty
certain no one else will be using them!) into your own local network,
you then s
Alfred,
I had a nightmare with WiFi and LINUX, gave up in the end and after some
advice from this forum started looking in to ether bridges. Eventually
I found the Devolo ether over mains plugs. I found these work a treat.
Router is upstairs on the upstairs ring main(as it should be!) and the
EMC
Mon, 2007-09-10 at 18:09 +0100, Andy Ibbotson wrote:
> Ray/ Jon,
> Thanks for your comments.
>
> I should try and clear up a few things:
> Machine is a minimill with home brew L297/L298 stepper driver boards +
> stepper motors. Signals come from parallel port to drive cards via
Ian,
For what its worth, my set up sounds very similar yours.
Here how I set things up;
Load in the stock.
Jog machine around to zero point for GCODE.
Select X in Manual window then press Home - Axis cords set to 0.
Select Y in Manual window then press Home - Axis cords set to 0.
Select Z
f rotation away from the switch change.
Rayh
On Sun, 2007-09-09 at 21:46 +0100, Andy Ibbotson wrote:
> Hello Everyone,
>
> Over the last few nights Ive experienced a coupled of odd events
> with EMC 2.1.7 normally runs flawlessly. Running AXIS Ive homed
> all axes to zero a
Hello Everyone,
Over the last few nights Ive experienced a coupled of odd events with
EMC 2.1.7 normally runs flawlessly. Running AXIS Ive homed all axes
to zero and then commenced running my Gcode. Last night the Y axis home
position appeared to jump by 0.400 (as seen on the DRO), axis st
: [Emc-users] 2.1.4 AXIS jog problem
On Sat, Mar 31, 2007 at 09:39:43PM +0100, Andy Ibbotson wrote:
> Hi,
> I've just installed 2.1.4 and have now got a problem with incremental
> jogs using AXIS. Continuous mode works fine for all axes.
> Has anyone else had this problem?
>
Hi,
I've just installed 2.1.4 and have now got a problem with incremental
jogs using AXIS. Continuous mode works fine for all axes. If I select
an incremental jog value from the drop down list (INCREMENTS = 0.001
0.01 0.05 1/8 etc. defined in ini file) the axis will jog once then
won't respond to
Paul,
Just a follow up, I bought on of these
http://www.devolo.co.uk/uk_EN/produkte/dLAN/mldlanduosk.html
and just plugged them in, connected the cables and hey presto network
comms and internet in the workshop! - Happy Days. Just got 200Mb of
updates now.
Regards
Andy
-Original Message-
Paul,
That looks like a good idea. I'll have search around.
Many thanks,
Andy
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Paul Fox
Sent: 09 March 2007 22:18
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] WIFI cards and Ubuntu 6.06
and
oller (EMC)
Subject: Re: [Emc-users] StepTimingCalculator.ods
John Kasunich wrote:
>Andy Ibbotson wrote:
>
>
>>Hi All,
>>Does anyone know where I can obtain a copy of
StepTimingCalculator.ods?
>>I've followed the link in TweakingSoftwareStepGeneration but only
se
Ah ha, got it. Thanks for the guys.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Stephen
Wille Padnos
Sent: 09 March 2007 21:13
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] StepTimingCalculator.ods
John Kasunich wrote:
>A
Hi All,
Does anyone know where I can obtain a copy of StepTimingCalculator.ods?
I've followed the link in TweakingSoftwareStepGeneration but only seems
to down load a zip file full of .xml files.
Thanks for your help.
Regards
Andy
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL P
Cole,
I've built my own setup using EMC to drive minimill - works great - many
thanks to all the people involved with the development of EMC!!
Here what I did:
Built a simple power supply - 10A @35V Transformer + Bridge rectifier +
2 x 22000 uF capacitors - no problems (see
http://pminmo.com/s
David,
Try reversing the sign of the INPUT_SCALE parameter in the AXIS_#
section of your .ini file. I used this to reverse the direction of my
steppers i.e.
INPUT_SCALE = 12000 0 turns clockwise
INPUT_SCALE = -12000 0 should turn anti-clockwise
Hope this helps.
Andy
-Original Message-
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